tests/basics/string_format_error.py


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# tests for errors in {} format string

try:
    '{0:0}'.format('zzz')
except (ValueError):
    print('ValueError')

try:
    '{1:}'.format(1)
except IndexError:
    print('IndexError')

try:
    '}'.format('zzzz')
except ValueError:
    print('ValueError')

# end of format parsing conversion specifier
try:
    '{!'.format('a')
except ValueError:
    print('ValueError')

# unknown conversion specifier
try:
    'abc{!d}'.format('1')
except ValueError:
    print('ValueError')

try:
    '{abc'.format('zzzz')
except ValueError:
    print('ValueError')

# expected ':' after specifier
try:
    '{!s :}'.format(2)
except ValueError:
    print('ValueError')

try:
    '{}{0}'.format(1, 2)
except ValueError:
    print('ValueError')

try:
    '{1:}'.format(1)
except IndexError:
    print('IndexError')

try:
    '{ 0 :*^10}'.format(12)
except KeyError:
    print('KeyError')

try:
    '{0}{}'.format(1)
except ValueError:
    print('ValueError')

try:
    '{}{}'.format(1)
except IndexError:
    print('IndexError')

try:
    '{0:+s}'.format('1')
except ValueError:
    print('ValueError')

try:
    '{0:+c}'.format(1)
except ValueError:
    print('ValueError')

try:
    '{0:s}'.format(1)
except ValueError:
    print('ValueError')

try:
    '{:*"1"}'.format('zz')
except ValueError:
    print('ValueError')

# unknown format code for str arg
try:
    '{:X}'.format('zz')
except ValueError:
    print('ValueError')